/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.shenyu.client.core.register;

import org.apache.shenyu.client.core.register.extractor.ApiBeansExtractor;
import org.apache.shenyu.client.core.register.registrar.AbstractRegistrar;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ContextRefreshedEvent;

import java.util.List;

public final class ClientApiRefreshedEventListener implements ApplicationListener<ContextRefreshedEvent> {

    private final List<AbstractRegistrar<ApiBean>> apiBeanRegistrars;

    private final ApiBeansExtractor apiBeanExtractor;

    public ClientApiRefreshedEventListener(final List<AbstractRegistrar<ApiBean>> apiBeanRegistrars, final ApiBeansExtractor apiBeanExtractor) {

        this.apiBeanExtractor = apiBeanExtractor;

        this.apiBeanRegistrars = apiBeanRegistrars;
    }

    @Override
    public void onApplicationEvent(final ContextRefreshedEvent event) {

        ApplicationContext applicationContext = event.getApplicationContext();

        List<ApiBean> apiBeans = apiBeanExtractor.extract(applicationContext);

        apiBeans.forEach(apiBean ->
                apiBeanRegistrars.forEach(registrar -> registrar.register(apiBean))
        );
    }
}
